Re: [PATCHES v2 1/2] Documentation: replace install commands withsoftdeps

From: Randy Dunlap
Date: Sun Mar 25 2012 - 12:08:25 EST


On 03/16/2012 11:13 PM, Lucas De Marchi wrote:

> Install commands should not be used to specify soft dependencies among
> modules. When loading modules it's much better to have a softdep that
> modprobe knows what's being done than having to fork/exec another
> instance of modprobe to load the other module.
>
> By using a softdep user has also an option to remove the dependencies
> when removing the module (and if its refcount dropped to 0)
>
> Signed-off-by: Lucas De Marchi <lucas.demarchi@xxxxxxxxxxxxxx>


Applied, thanks.


> ---
>
> v2: addressed comments from Takashi Iwai and split the patch in two. There were
> some changes to install commands that are better placed in a separate patch
>
>
> Documentation/networking/bonding.txt | 3 +--
> Documentation/sound/oss/AudioExcelDSP16 | 4 ++--
> Documentation/sound/oss/README.modules | 2 +-
> 3 files changed, 4 insertions(+), 5 deletions(-)
>
> diff --git a/Documentation/networking/bonding.txt b/Documentation/networking/bonding.txt
> index 080ad26..2d38eee 100644
> --- a/Documentation/networking/bonding.txt
> +++ b/Documentation/networking/bonding.txt
> @@ -1826,8 +1826,7 @@ an equivalent problem can occur. In this case, the following can be
> added to modprobe.conf (or modprobe.conf.local, as appropriate), as
> follows (all on one line; it has been split here for clarity):
>
> -install bonding /sbin/modprobe tg3; /sbin/modprobe e1000;
> - /sbin/modprobe --ignore-install bonding
> +softdep bonding pre: tg3 e1000
>
> This will, when loading the bonding module, rather than
> performing the normal action, instead execute the provided command.
> diff --git a/Documentation/sound/oss/AudioExcelDSP16 b/Documentation/sound/oss/AudioExcelDSP16
> index e0dc064..30cfccc 100644
> --- a/Documentation/sound/oss/AudioExcelDSP16
> +++ b/Documentation/sound/oss/AudioExcelDSP16
> @@ -54,8 +54,8 @@ Loading MSS and OPL3 needs to pre load the aedsp16 module to set up correctly
> the sound card. Installation dependencies must be written in the modprobe.conf
> file:
>
> -install ad1848 /sbin/modprobe aedsp16 && /sbin/modprobe -i ad1848
> -install opl3 /sbin/modprobe aedsp16 && /sbin/modprobe -i opl3
> +softdep ad1848 pre: aedsp16
> +softdep opl3 pre: aedsp16
>
> Then you must load the sound modules stack in this order:
> sound -> aedsp16 -> [ ad1848, opl3 ]
> diff --git a/Documentation/sound/oss/README.modules b/Documentation/sound/oss/README.modules
> index e691d74..716615a 100644
> --- a/Documentation/sound/oss/README.modules
> +++ b/Documentation/sound/oss/README.modules
> @@ -36,7 +36,7 @@ options adlib_card io=0x388 # FM synthesizer
> Alternatively, if you have compiled in kernel level ISAPnP support:
>
> alias char-major-14 sb
> -post-install sb /sbin/modprobe "-k" "adlib_card"
> +softdep sb post: adlib_card
> options adlib_card io=0x388
>
> The effect of this is that the sound driver and all necessary bits and



--
~Randy
--
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